"小瘦"的英文可以表示为 "petite" 或 "slender"。

"Petite" 来自法语,意思是小而瘦小的。它可以用来形容人或物,比如:

She's petite and has a very spm figure. (她很小且身材很瘦。)
The petite vase on the table is very depcate. (桌子上的小花瓶非常精致。)

"Slender" 来自中世纪英语,意思是细长的,轻盈的。它通常用来形容人或物的身材,比如:

He has a slender build and is very fit. (他身材细长,身体非常健康。)
The slender tree in the corner of the garden looks very graceful. (花园角落里的细长树看起来非常优美。)